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swap (std::stop_token)

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std::stop_token
friend void swap ( stop_token & lhs, stop_token & rhs ) noexcept ;
(C++20 起)

为 std::swap 算法重载 std::stop_token 的交换操作。将 lhs 的关联停止状态与 rhs 的停止状态进行交换。实际效果等同于调用 lhs. swap ( rhs ) 。

此函数对普通的 非限定查找 或 限定查找 不可见，仅当 std::stop_token 作为参数的关联类时，才能通过 实参依赖查找 找到该函数。

参数

lhs, rhs - 要交换的 stop_token

返回值

(无)